Sun visor extension device



FIG. 1 is a front elevation view of a sun visor extension device showingmy new design;

FIG. 2 is a rear elevation view;

FIG. 3 is a left side elevation view;

FIG. 4 is a right side elevation view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and,

FIG. 7 is left side isometric view of a sun visor extension deviceshowing my new design.

The ornamental design for a sun visor extension device, as shown anddescribed.